[TASK] Add image formats avif/avifs to htaccess

Additionally, use "On" as value for ExpiresActive directive
as this is the preferred notation.

Resolves: #97764
Releases: main, 11.5
Change-Id: Iee2433cf88cc7b7200a72c7d5308da0202fe3e78
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/74933


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>